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![]() Lev Okun gave this problem to Andrei Sakharov to pass the time while they were being driven from Moscow to JINR in Dubna. However, it didn't work (to pass the time) because immediately after being told the problem, Sakharov pulled out a pen, took Lev's magazine and wrote down the solution, without any hesitation whatsoever.
how long does the problem take you? problem is in following post |
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